Primary malignant tumors of the gastrointestinal tract account for 23% of all invasive cancers and 24% of all the deaths in 1988. In the United States, the American Cancer Society estimates that there will be 227500 new cases of gastrointestinal malignancy di agnosed, with 122350 deaths. This includes 9800 new cases of carcinomas of the esopha gus, 24800 carcinomas of the stomach, 2500 new cases of malignant tumors of the small intestine, 105000 new cases of tumors of the large intestine, and 42000 new cases of car cinoma of the rectum, 14000 new cases involving the liver and biliary...
Primary malignant tumors of the gastrointestinal tract account for 23% of all invasive cancers and 24% of all the deaths in 1988. In the United States...
